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Mention what needs to be taken care while adding a column?
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Answer / Anil Kumar Kanojia
When adding a column in Apache Cassandra, you should consider the following points:nn- Column order matters in Cassandra.n- Adding a column requires a schema change and will cause downtime or performance degradation during the upgrade process.n- It's recommended to use Cassandra's `nodetool` utility to perform the upgrade across all nodes.n- Be careful when adding columns that have data types larger than varchar, as they may impact the storage size significantly.
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